<template>
  <div id="app">
    <!-- <router-view></router-view> 回到上级操作-->
    <keep-alive>
      <router-view v-if="$route.meta.keepalive"></router-view>
    </keep-alive>
    <router-view v-if="!$route.meta.keepalive"></router-view>
  </div>
</template>
<script>
  export default {
    name: 'App',
  }
</script>
<style lang="stylus">
  body
    margin: 0
    padding: 0
    box-sizing: border-box
    background-color: #f4f4ff

  p
    margin: 0
    padding: 0
</style>